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Psychometric Properties of the Italian Version of the 25-Item Hikikomori Questionnaire for Adolescents

Author

Listed:
  • Simone Amendola

    (Department of Dynamic and Clinical Psychology and Health Studies, Sapienza University of Rome, 00185 Rome, Italy)

  • Fabio Presaghi

    (Department of Psychology of Development and Socialization Processes, Sapienza University of Rome, 00185 Rome, Italy)

  • Alan Robert Teo

    (Center to Improve Veteran Involvement in Care (CIVIC), VA Portland Health Care System, Portland, OR 97239, USA
    Department of Psychiatry, Oregon Health & Science University, Portland, OR 97239, USA)

  • Rita Cerutti

    (Department of Dynamic and Clinical Psychology and Health Studies, Sapienza University of Rome, 00185 Rome, Italy)

Abstract

Hikikomori is a form of social withdrawal that is commonly described as having an onset during adolescence, a life stage when other psychiatric problems can also emerge. This study aimed to adapt the 25-item Hikikomori Questionnaire (HQ-25) for the Italian adolescent population, examining its psychometric properties; associations between hikikomori and psychoticism, depression, anxiety, problematic internet use (PIU), psychotic-like experiences (PLEs), to confirm convergent validity of the HQ-25; and the interaction effect between symptoms of hikikomori and PIU in predicting PLEs. Two-hundred and twenty-one adolescents participated in the study. Measures included the HQ-25, the Psychoticism subscale of the Personality Inventory for the Diagnostic and Statistical Manual of Mental Disorders, the Depression and Anxiety subscales of the Brief Symptom Inventory, the Internet Disorder Scale, and the Brief Prodromal Questionnaire. Data showed a satisfactory fit for a three-factor model for the HQ-25 that is consistent with the original study on the HQ-25. Three factors (socialization, isolation, and emotional support) were associated with psychopathology measures. Six participants reported lifetime history of hikikomori. Symptoms of hikikomori and PIU did not interact in predicting PLEs. This is the first study to validate the HQ-25 in a population of adolescents. Findings provide initial evidence of the adequate psychometric properties of the Italian version of the HQ-25 for adolescents.

Suggested Citation

  • Simone Amendola & Fabio Presaghi & Alan Robert Teo & Rita Cerutti, 2022. "Psychometric Properties of the Italian Version of the 25-Item Hikikomori Questionnaire for Adolescents," IJERPH, MDPI, vol. 19(16), pages 1-17, August.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:16:p:10408-:d:893854
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    References listed on IDEAS

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    1. Rosseel, Yves, 2012. "lavaan: An R Package for Structural Equation Modeling," Journal of Statistical Software, Foundation for Open Access Statistics, vol. 48(i02).
    2. Tanner Bommersbach & Hun Millard, 2019. "No longer culture-bound: Hikikomori outside of Japan," International Journal of Social Psychiatry, , vol. 65(6), pages 539-540, September.
    3. Santiago Ovejero & Irene Caro-Cañizares & Victoria de León-Martínez & Enrique Baca-Garcia, 2014. "Prolonged social withdrawal disorder: A hikikomori case in Spain," International Journal of Social Psychiatry, , vol. 60(6), pages 562-565, September.
    4. Angeles Malagón & Patricia Alvaro & David Córcoles & Luis M. Martín-López & Antonio Bulbena, 2010. "‘ Hikikomori’: a New Diagnosis or a Syndrome Associated With a Psychiatric Diagnosis?," International Journal of Social Psychiatry, , vol. 56(5), pages 558-559, September.
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    Cited by:

    1. Michelle Jin Yee Neoh & Alessandro Carollo & Mengyu Lim & Gianluca Esposito, 2023. "Hikikomori: A Scientometric Review of 20 Years of Research," IJERPH, MDPI, vol. 20(9), pages 1-19, April.
    2. Simone Amendola & Fabio Presaghi & Alan R. Teo & Rita Cerutti, 2022. "Psychometric Properties of the Italian Version of the 25-Item Hikikomori Questionnaire," IJERPH, MDPI, vol. 19(20), pages 1-13, October.

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